to save space in dimensioning
Intake fan and exhaust fan or an open door and window are all creating ventilation. In other words putting fresh air into a room and removing bad air is ventilating a room. Hope this helps.
Simple question, complex answer. As no era or decade of history has been mentioned simple answers of less than 1,000, 000 words can even give a brief overview.
This is an interesting question, and I have made a research for it. However, it is difficult to answer it by short words. Cast iron is made from remelting pig iron, usually with some quantities of scrap iron, scrap steel and some alloys, such as Cr, Ni, Mo and Cu according to the different requirements. Depending on the specific application, iron foundries reduce the carbon and silicon content to the desired levels from 2 to 3.5% and 1 to 3% respectively. Other alloys and elements are also added during melting process according to the different requirements. With the different melting and inoculation processes, the different cast irons will be produced. There are several main types of cast iron, such as white cast iron, grey cast iron, ductile cast iron, malleable cast iron. For the detail information about them, you can refer to the related links below. I wrote this article, so I bet it will be helpful for you to comprehensively learn about cast iron.
It would have approximately the same characteristics of the material before it was annealed. In other words, it would almost be the same as the first time it was cold worked, assuming nothing was done to the material before it was cold worked the first time.
A long weight is something that an apprentice or new boy is sent to the stores to get. Eg: "go to the stores and get me a long weight for this job" The apprentice dutifully goes to the store-man and asks for long weight where upon the store-man goes away as if to get it returning much later and asks the apprentice "was that a long enough wait?" In other words it is a prank traditionally played on the new and inexperienced employee ! See also: "go and get me a bag of sparks for the grinder" where the apprentice is given an empty but inflated paper bag by the store-man.
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A mathematical equation uses numbers instead of words. And like a sentence they have proper structure and rules.
Hieroglyphic
Nonverbal communication involves using actions and symbols instead of words to express opinions and ideas. This can include gestures, facial expressions, body language, and other visual cues to convey messages.
There are three main types of cuneiform script: logographic, syllabic, and alphabetic. Logographic cuneiform uses symbols to represent whole words, syllabic cuneiform uses symbols to represent syllables, and alphabetic cuneiform uses symbols to represent individual sounds.
Social symbols are objects, gestures, words, or images that hold cultural significance and convey meaning within a society. They can represent shared beliefs, values, or norms and help people identify with a particular group or community. Examples of social symbols include national flags, religious symbols, and popular logos.
They use symbols because the words are too long to actually write so instead they find the right symbol and write that instead. Also they must actually have a reason. I hope this helped if not I'm sorry.
You will need to use words for math functions in your question, such as "times" or "divided by" or whatever function you want to use, instead of using symbols.
To understand the coupling and decoupling of compounds in transit based on chemical reaction.
Picture writing is writing that is done using pictures instead of words. The symbols are varied and are called hieroglyphics.
Logo'd clothing are symbols, words or designs that identify a specific manufacturer or identify an company. There are situations where logo'd clothing is not allowed, such as at work. Examples would be a shirt that has a Coca Cola logo on it, or the Nike swoosh.